Top Alternatives to GrandPerspective

WinDirStat is a free and open-source disk usage statistics viewer and cleanup tool for Microsoft Windows. It visually represents disk space usage with a treemap display, helping users identify large files and folders to free up space.

SpaceSniffer is a powerful yet portable freeware application designed to help users quickly understand how disk space is utilized on their drives. It employs a Treemap visualization to represent folder and file sizes hierarchically, making it easy to identify large items and optimize storage.

TreeSize Free is a user-friendly disk space manager for Windows, providing a visual breakdown of folder sizes to help users identify space hogs and manage storage effectively.

Baobab, also known as GNOME Disk Usage Analyzer, is a free and open-source graphical tool designed to analyze and visualize disk space usage on your computer. It helps users identify large files and folders consuming significant space, представлением данных в удобном для понимания виде.

JDiskReport is a free, portable utility designed to help users understand how disk space is being utilized. It provides visual representations and detailed statistics of file and directory sizes, enabling users to identify large, obsolete, or unnecessary files for efficient disk management and cleanup.

DaisyDisk is a Mac utility application designed to visualize and free up disk space. It quickly scans your storage and presents the contents in an interactive sunburst chart, making it easy to identify large files and folders that are consuming significant space.

ncdu is a command-line disk usage analyzer for Unix-like systems. It provides a graphical ncurses interface to visualize disk space consumption, helping users identify large files and directories easily.

Scanner is a discontinued utility for visually analyzing disk space usage using a unique sunburst chart representation. It offers a clear, hierarchical view of your hard drive or other media, making it easy to identify large files and folders.

SpaceMonger is a powerful utility designed to help users visualize and manage disk space by providing detailed statistics and interactive graphical representations of file and folder sizes. It allows for efficient identification and removal of large or unnecessary files.

WizTree is a blazing-fast disk space analyzer that scans your hard drive and helps you quickly identify the files and folders consuming the most space. Using advanced techniques, it delivers results almost instantly, providing a tree view, treemap, and various statistics to visualize your disk usage and reclaim valuable storage.

DiskUsage is a powerful and intuitive utility designed to visualize and manage storage space on your device. It helps you quickly identify large files and directories consuming excessive space, allowing for efficient disk cleanup and organization.

MindGems Folder Size is a free disk space analyzer that quickly scans your storage and visualizes folder and file sizes. It provides a clear hierarchical view, allowing you to easily identify large directories and files consuming the most disk space. This tool is essential for managing storage effectively and cleaning up unnecessary data.

SequoiaView is a classic Windows utility that employs the treemap visualization technique to provide a quick and intuitive overview of disk space usage. It helps users identify large files and folders at a glance, making disk cleanup and organization more efficient.

GD Map is a desktop application that visualizes disk space usage on your computer using a treemap representation. It helps users identify large files and folders, understand storage allocation, and manage their filesystem more effectively. Its intuitive graphical interface makes it easy to see what's consuming your valuable disk space.

Filelight is a KDE graphical disk usage analyzer providing an intuitive, radial sunburst chart visualization of your disk space. It helps users quickly identify large files and folders consuming valuable storage by presenting a clear, hierarchical representation of your file system.

RidNacs is a free and exceptionally fast disk space usage analyzer for Windows operating systems. It provides a clear and hierarchical overview of how your disk space is being consumed, helping you quickly identify large files and folders for effective disk cleanup and management.

FolderSizes is a powerful disk space management utility for Windows. It provides detailed insights into how disk space is being used, identifying large files, duplicate files, and folder sizes through various reports, charts, and filtering options. Ideal for reclaiming storage space and optimizing disk usage.

Xinorbis is a powerful freeware hard disk analyzer designed to give you a clear overview of the contents of your storage devices. It provides detailed statistics, identifies duplicates, and offers various reporting options to help you manage your data effectively.